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| author | Grant Likely <[email protected]> | 2010-01-28 14:38:25 -0700 |
|---|---|---|
| committer | Grant Likely <[email protected]> | 2010-01-28 14:38:25 -0700 |
| commit | 0ada0a73120c28cc432bcdbac061781465c2f48f (patch) | |
| tree | d17cadd4ea47e25d9e48e7d409a39c84268fbd27 /arch/arm/mm/copypage-v6.c | |
| parent | 6016a363f6b56b46b24655bcfc0499b715851cf3 (diff) | |
| parent | 92dcffb916d309aa01778bf8963a6932e4014d07 (diff) | |
Merge commit 'v2.6.33-rc5' into secretlab/test-devicetree
Diffstat (limited to 'arch/arm/mm/copypage-v6.c')
| -rw-r--r-- | arch/arm/mm/copypage-v6.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/mm/copypage-v6.c b/arch/arm/mm/copypage-v6.c index 4127a7bddfe5..0fa1319273de 100644 --- a/arch/arm/mm/copypage-v6.c +++ b/arch/arm/mm/copypage-v6.c @@ -41,6 +41,14 @@ static void v6_copy_user_highpage_nonaliasing(struct page *to, kfrom = kmap_atomic(from, KM_USER0); kto = kmap_atomic(to, KM_USER1); copy_page(kto, kfrom); +#ifdef CONFIG_HIGHMEM + /* + * kmap_atomic() doesn't set the page virtual address, and + * kunmap_atomic() takes care of cache flushing already. + */ + if (page_address(to) != NULL) +#endif + __cpuc_flush_dcache_area(kto, PAGE_SIZE); kunmap_atomic(kto, KM_USER1); kunmap_atomic(kfrom, KM_USER0); } |